package com.neu.canteen.filter;
import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
public class CorsFilter implements Filter{
    @Override 
    public void init(FilterConfig filterConfig) throws ServletException { } 
    @Override 
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { 
        HttpServletResponse response = (HttpServletResponse) servletResponse; 
        response.setHeader("Access-Control-Allow-Origin", "*"); 
        response.setHeader("Access-Control-Allow-Credentials", "true"); 
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT"); 
        response.setHeader("Access-Control-Max-Age", "3628800"); 
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Authorization"); 
        filterChain.doFilter(servletRequest, servletResponse); 
    } 
    @Override 
    public void destroy() { }
}